Hem-folder for sewing-machines.



No.723,615. I PATENTED MAR. 24, 1903.

A. LAUBSOHBR. v HEM FOLDER FOR SEWING MACHINES.

APPLICATION PILEIb MAY 12, 1902.

'. no MODEL.

W1 b1 cases UNITED STATES PATENT @FFICE.

ALEXANDER LAUBSCHER, OF BRIDGEPORT, CONNECTICUT, ASSIGNOR TO WHEELER &VVI'LSON MANUFACTURING COMPANY, OF-BRIDGEPORT, CONNECTICUT, ACORPORATION OF CONNECTICUT. I

HEM-FOLDER FOR SEWING-MACHINES.

SPECIFICATION forming part of Letters Patent N 0. 723,615, dated March24, 1903.

Application filed May 12,1902. Serial No. 106.996. (N model.)

To all whom, it may concern..-

Be it known that I, ALEXANDER LAUB- SCHER, a citizen of the UnitedStates, residing at Bridgeport, in the county of Fairfield and State ofConnecticut, have invented'a certain new and useful Improvement inHem-Folders for Sewing-Machines, of which the following is a full,clear, and exact description.

This invention relates to hem-folders for to sewing-machines, and moreparticularly to that class of folders employed for hemstitchmg.

The object of the invention is to provide adjustable means forcontrolling the width of IS the edge or seam fold as distinguished fromand in addition to means for controlling the width of the fold or hemproper;

Hem-folders as commonly constructed are provided with adjustable meansfor varying the width of the hem between the line of seam and the turnor fold forming the outer edge of the material operated upon, whilethewidth of the edge or seam fold or that portion of the goods turned in atthe sewing-line is of a single gage, dependent upon the construction ofthe folder. shown and described the folder is provided with anindependent adjustable gage, whereby may be produced wide or narrow seam3o folds, dependent upon the nature of the material being operated upon.

Itis well understood that an open or coarse weave demands a wider h rnto insure substantial service than does a close fine weave,

' and the same is true in the matter of weight In the improved deviceherein- Fig. 3 is a perspective view of the adjustable 5o gage foreffecting a variation in the width of the edge or seam fold. Fig. 4: isa perspeclive view of the folder-tongue, which coacts with the left-handfolder to form the seam fold.

In the drawings one known form of hemfolder is shown, to which theinvention is applied, and, briefly, said known folder comprises abase-plate 1, adapted to be secured by a pivot-screw 2and stop-pin 3 tothe bedplate of a sewing-machine and displaceably held in place by aspring 4.

5 is a bracket applied to the plate 1 and in turn supporting a bracket6, upon which is mounted an arm 7, from which projects a fin ger 8, towhich is secured one of the folders 9. From this arm also projects aplate 10, which is practically an extension of the folder 9. An arm 11is adjustably secured to the bracket 6 by means of a slot 12 andset-screw 7c 13, and this arm llhas a finger 14, which supports theother folder 15, the said folder 15 having anextension 16, whichconstitutes a support for the passing fabric;

17 is a plateattached by screws 18 to the arm 11 and extending as atongue to the outer end of the folder l5,as shown in dotted lines, Fig.1, and also extending in the opposite direction as a support for thefabric.

The tongue 19 varies from prior construc- 8o tions in being somewhatwider, and said tongue has a wall 20, by which it is attached to arm 7by means of screws 21. Above the planeof the tongue 19 the arm 7 isprovided with a slot 22, and a sliding plate 23 is mounted upon the arm7 above said slot and is itself provided with a longitudinal slot 24and.

a set-screw 25, by means of which it may be adjusted longitudinally ofthe said arm. As shown more particularly in Fig. 3, this plate 23 has aright-angle projection 26 depending from it, and said projection isprovided with an inclined end 27 and a lip 28 so as to conformsubstantially to the vertical and horizontal walls, respectively, of thetongue 19, and said projection is arranged within the tongue andparallel with its walls, and by means of the slots 22 and 24 andset-screw 25 the said device is adjustable toward and from the verticalwall 20 of the tongue, and thus becomes, in effect, the gagehereinbefore referred to as the means for permitting an operator to varythe Width of the fold or turn of the fabric at the line of stitching inaccordance with 'the texture or weave of the fabric being sewed.

Heretofore in this class of devices the wall 20 of the tongue was themedium by which the hem or seam fold was etfected, and inasmuch as itwas fixed of course no variation in the width of such fold or turn couldbe effeet-ed; but by the application of the adjustable gage of thisinvention such variation may be readily effected entirely independentlyof the adjustment of the folders toward and from one another for varyingthe width of the fold or hem proper.

It will be understood that by loosening the set-screw 13 the folder 15may be adjusted toward and from the folder 9 to permit variation in thewidth of the hem proper and that this adjustment of the folders isentirely independent of the adjustment of the gage last described forefiectin g a variation in the seam fold.

What I claim isl. A hem-folder, provided with means for controlling thewidth of the fold or hem proper, an independent gage for the seam fold,and means to adjust said gage to vary the Width of the said seam fold.

2. Ahem-folder, for sewing-machines, provided with adjustable means forvarying the width of the hem from seam to outer edge, and an independentgage adjustable relatively to the folders to vary the width of the seamfold.

3. In a hem-folder, for sewing-machines, adjustable folders, a tongue inone of said folders, and an independently adjustable gage arranged insaid tongue, for eifecting a variation in the width of the seam fold.

In testimony whereof I have hereunto set my hand this 10th day of May,A. D. 1902.

' ALEXANDER LAUBSOHER.

\Vitnesses:

H. W. OSTROM, O. N. WORTHEN.

